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Shield Arms

Founded in 2017 by Brandon Zeider and Seth Berglee, Shield Arms® is an industry-leading manufacturer of innovative, life-protecting, and high-value tactical gun parts and accessories . Shield Arms was the first manufacturer to release a reliable 15-round 43X/48 magazine, which is highly sought after by target shooters, CCW holders, and home defense shooters alike. GunMag Warehouse is your one-stop shop for Shield Arms products, offered at affordable, everyday prices. Shop our full collection of magazines, parts, and accessories today!
  1. Shield Arms +5/+4 Magazine Extension for Glock 17 / 22 Pistols
    Shield Arms +5/+4 Magazine Extension for Glock 17 / 22 Pistols
    (3)
    $39.99 $35.99 $36.99 Save $4.00
  3. Shield Arms +5/+4 Magazine Extension for Glock 19 / 23 Pistols
    Shield Arms +5/+4 Magazine Extension for Glock 19 / 23 Pistols
    $39.99 $35.99 Save $4.00
  5. Shield Arms S15 +5 Magazine Extension
    Shield Arms S15 +5 Magazine Extension
    (3)
    $39.99 $34.99 $35.99 Save $5.00
  6. Shield Arms Magwell for Glock 43X / 48 Pistols
    Shield Arms Magwell for Glock 43X / 48 Pistols
    (1)
    $75.99 $62.99 $63.99 Save $13.00
  14. Shield Arms Revolver Optics Mounting Plate for Smith & Wesson J-Frame Revolvers
    Shield Arms Revolver Optics Mounting Plate for Smith & Wesson J-Frame Revolvers
    $150.99 $129.99 Save $21.00
  15. Shield Arms +5 Magazine Extension for Magpul Gen 3 AR-15 PMAGs
    Shield Arms +5 Magazine Extension for Magpul Gen 3 AR-15 PMAGs
    Out of stock
    $43.99
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